Excerpt from the U.S. Code Title 18, Part I, Chapter 1, Paragraph
7

§ 7. Special maritime and territorial jurisdiction of the United
States defined, release date: 2004-08-06

The term special maritime and territorial jurisdiction of the United
States, as used in this title, includes:

…

(4) Any island, rock, or key containing deposits of guano, which may,
at the discretion of the President, be considered as appertaining to
the United States.

(5) Any aircraft belonging in whole or in part to the United States,
or any citizen thereof, or to any corporation created by or under the
laws of the United States, or any State, Territory, district, or
possession thereof, while such aircraft is in flight over the high
seas, or over any other waters within the admiralty and maritime
jurisdiction of the United States and out of the jurisdiction of any
particular State.

(6) Any vehicle used or designed for flight or navigation in space and
on the registry of the United States pursuant to the Treaty on
Principles Governing the Activities of States in the Exploration and
Use of Outer Space, Including the Moon and Other Celestial Bodies and
the Convention on Registration of Objects Launched into Outer Space,
while that vehicle is in flight, which is from the moment when all
external doors are closed on Earth following embarkation until the
moment when one such door is opened on Earth for disembarkation or in
the case of a forced landing, until the competent authorities take
over the responsibility for the vehicle and for persons and property
aboard.

(7) Any place outside the jurisdiction of any nation with respect to
an offense by or against a national of the United States.